seasons: Datasets of Start Dates for the Astronomical Seasons for the...

In ksauby/dataproc: Data processing functions.

Description

This dataset contains the seasonal start dates for the years 2009 - 2014.

Format

A data frame with 6 rows and 4 variables

Details

• SE. Spring equinox date.

• SS. Summer solstice date.

• FE. Fall equinox date.

• WS. Winter solstice date.

Examples

seasons <- data.frame(
   SE = as.POSIXct(c("2008-03-20", "2009-3-20", "2010-3-20", "2011-3-20",
"2012-3-20", "2013-3-20", "2014-3-20", "2015-3-21", "2016-3-20"),
 format="%Y-%m-%d"),
   SS = as.POSIXct(c("2008-06-20", "2009-6-21", "2010-6-21", "2011-6-21",
"2012-6-20", "2013-6-21", "2014-6-21", "2015-6-21", "2016-6-20"),
 format="%Y-%m-%d"),
   FE = as.POSIXct(c("2008-09-22", "2009-9-22", "2010-9-23", "2011-9-23",
"2012-9-22", "2013-9-22", "2014-9-23", "2015-9-21", "2016-9-22"),
 format="%Y-%m-%d"),
   WS = as.POSIXct(c("2008-12-21", "2009-12-21", "2010-12-21", "2011-12-22",
"2012-12-21", "2013-12-21", "2014-12-21", "2015-12-21", "2016-12-21"),
 format="%Y-%m-%d")
)

ksauby/dataproc documentation built on May 20, 2019, 7:02 p.m.